chore(deploy): keep start scripts and systemd units in deploy/

The three services become quant-trading-monitor, quant-trading-api and
quant-trading-vite, run from /home/gahow/projects/quant-trading. Their
units were previously untracked files in ~/.config/systemd/user.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

scripts/start-monitor.sh

@@ -1,23 +0,0 @@
-#!/usr/bin/env bash
-# Long-running live-trader monitor (US + CN, all strategies).
-# Started by the quant-monitor.service systemd --user unit; replaces the
-# old "tmux new -s quant; uv run python trader.py monitor" workflow.
-set -euo pipefail
-
-SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
-PROJECT_ROOT="$( cd "$SCRIPT_DIR/.." && pwd )"
-cd "$PROJECT_ROOT"
-
-# uv lives in ~/.local/bin, which is not on systemd's default PATH.
-export PATH="/home/gahow/.local/bin:$PATH"
-
-# Market data is fetched through the lab proxy (same as interactive `proxyOn`).
-# QUANT_MARKET_PROXY lives in the untracked repo-root .env.
-if [[ -f .env ]]; then
-  set -a; source .env; set +a
-fi
-if [[ -n "${QUANT_MARKET_PROXY:-}" ]]; then
-  export http_proxy="$QUANT_MARKET_PROXY" https_proxy="$QUANT_MARKET_PROXY" all_proxy="$QUANT_MARKET_PROXY"
-fi
-
-exec uv run python trader.py monitor